Glitchcore

Glitchcore takes hyperpop's bright synths and auto-tuned vocals and runs them through severe edit choices: pitch shifts of an octave or more within a single bar, sudden tempo doublings, and stuttered vocal repeats designed to feel like a software glitch. Tracks are usually under two and a half minutes and packed with abrupt section changes, because they're written knowing the loudest place they'll be heard is a 15- to 60-second TikTok clip. The base aesthetic is hyperpop (PC Music, 100 gecs, ericdoa, glaive lineage), with the edits doing the genre-defining work.

Glitchcore emerged in 2020-2021 from a small group of SoundCloud and Discord producers in the broader hyperpop scene — ericdoa, midwxst, kmoe, brakence-adjacent figures — whose tracks went viral as TikTok background sounds during pandemic lockdowns. The name circulated as a TikTok aesthetic tag (alongside cottagecore, dark academia, kidcore) before it settled as a music genre, so its boundaries are tighter as a visual mood than as a sound.

Listen for the pitch jumps — a vocal line that suddenly leaps an octave up and back is the most reliable signature. Stutters are written into the arrangement, not artifacts: a syllable repeated four or eight times in a sixteenth-note pattern is functioning as a snare fill. The speed ramps usually arrive right before a drop, accelerating into it rather than transitioning smoothly.

ericdoa, 'sad face :(' or 'still in love :(' (2020). midwxst, 'Trying' (2020) is a more legible entry point if the edits feel overwhelming.

The '-core' suffix here is the TikTok aesthetic-tag convention (cottagecore, normcore, dreamcore) rather than the hardcore-music heritage, which makes glitchcore one of the first major music-genre names whose grammar comes from social-media subculture rather than from clubs or fanzines.